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ce44c970f9
Allow to run ssh regression tests as root. If the user is already root, the test should not expect that SUDO is set. If ssh needs another user, use sudo or doas to switch from root if necessary. OK dtucker@ Upstream-Regress-ID: b464e55185ac4303529e3e6927db41683aaeace2
83 lines
2.4 KiB
Bash
83 lines
2.4 KiB
Bash
# $OpenBSD: keys-command.sh,v 1.3 2015/05/21 06:40:02 djm Exp $
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# Placed in the Public Domain.
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tid="authorized keys from command"
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if [ -z "$SUDO" -a ! -w /var/run ]; then
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echo "skipped (SUDO not set)"
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echo "need SUDO to create file in /var/run, test won't work without"
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exit 0
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fi
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rm -f $OBJ/keys-command-args
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touch $OBJ/keys-command-args
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chmod a+rw $OBJ/keys-command-args
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expected_key_text=`awk '{ print $2 }' < $OBJ/rsa.pub`
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expected_key_fp=`$SSHKEYGEN -lf $OBJ/rsa.pub | awk '{ print $2 }'`
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# Establish a AuthorizedKeysCommand in /var/run where it will have
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# acceptable directory permissions.
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KEY_COMMAND="/var/run/keycommand_${LOGNAME}"
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cat << _EOF | $SUDO sh -c "rm -f '$KEY_COMMAND' ; cat > '$KEY_COMMAND'"
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#!/bin/sh
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echo args: "\$@" >> $OBJ/keys-command-args
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echo "$PATH" | grep -q mekmitasdigoat && exit 7
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test "x\$1" != "x${LOGNAME}" && exit 1
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if test $# -eq 6 ; then
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test "x\$2" != "xblah" && exit 2
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test "x\$3" != "x${expected_key_text}" && exit 3
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test "x\$4" != "xssh-rsa" && exit 4
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test "x\$5" != "x${expected_key_fp}" && exit 5
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test "x\$6" != "xblah" && exit 6
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fi
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exec cat "$OBJ/authorized_keys_${LOGNAME}"
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_EOF
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$SUDO chmod 0755 "$KEY_COMMAND"
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if ! $OBJ/check-perm -m keys-command $KEY_COMMAND ; then
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echo "skipping: $KEY_COMMAND is unsuitable as AuthorizedKeysCommand"
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$SUDO rm -f $KEY_COMMAND
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exit 0
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fi
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if [ -x $KEY_COMMAND ]; then
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cp $OBJ/sshd_proxy $OBJ/sshd_proxy.bak
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verbose "AuthorizedKeysCommand with arguments"
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(
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grep -vi AuthorizedKeysFile $OBJ/sshd_proxy.bak
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echo AuthorizedKeysFile none
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echo AuthorizedKeysCommand $KEY_COMMAND %u blah %k %t %f blah
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echo AuthorizedKeysCommandUser ${LOGNAME}
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) > $OBJ/sshd_proxy
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# Ensure that $PATH is sanitised in sshd
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env PATH=$PATH:/sbin/mekmitasdigoat \
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${SSH} -F $OBJ/ssh_proxy somehost true
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if [ $? -ne 0 ]; then
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fail "connect failed"
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fi
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verbose "AuthorizedKeysCommand without arguments"
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# Check legacy behavior of no-args resulting in username being passed.
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(
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grep -vi AuthorizedKeysFile $OBJ/sshd_proxy.bak
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echo AuthorizedKeysFile none
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echo AuthorizedKeysCommand $KEY_COMMAND
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echo AuthorizedKeysCommandUser ${LOGNAME}
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) > $OBJ/sshd_proxy
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# Ensure that $PATH is sanitised in sshd
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env PATH=$PATH:/sbin/mekmitasdigoat \
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${SSH} -F $OBJ/ssh_proxy somehost true
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if [ $? -ne 0 ]; then
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fail "connect failed"
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fi
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else
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echo "SKIPPED: $KEY_COMMAND not executable (/var/run mounted noexec?)"
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fi
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$SUDO rm -f $KEY_COMMAND
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